Oil-cup



A. c. GRUNWALD'.

olL cuP. APPLICATIION FILED AUG.8 1919.

Patented May 31519211u Jvezz 5671,? Granma@ ,oi-rice l" ALBERI:v o. `GRUNWALD, OR CHICAGO, ILLINOIS, AssIGNoR fro PREOISION METAL WORKERS, hOR CHICAGO, ILLINOIs, R CORPORATION ,OF ILLINOIS.

OIL-OUP.,

This invention relates particularly to oilcupsV adapted to be appli ed to bearings where it is not convenient to employ forced feed. The primary Objectis to provide an oil-cup-which will serve to gradually feed the oil 'to the bearing, which may be'readily re-filled, and which is adapted to effectively exclude dust and grit.

The invention is illustrated in its -prei ferred embodiment in the accompanying drawing, in which- ,Figure l represents an elevational view of the improved oil-cup; Fig. 2, a plan view of the same, in closed condition; Fig. 3, a

plan view of the same in Open condition;

Fig. 4, a longitudinal sectional view, taken as indicated at line 4 of Fig. l; Fig. 5, a broken sectional view, taken as indicated at line 5 of Fig. l; and Fig. 6, a Aplan view of the wickdevice employed.

In the construction illustrated, A represents a cup, or elongated tubular member, which is provided at one end with a threaded nipple A', and which is equipped at the opposite end with a cap A2; and B represents a wick device which is securely mounted in the nipple-end of the cup.

The tubular body A and nipple A are preferably formed integrally by drawing a steel disk into cup form, the bottom portion of the cup being contracted to form the nipple, and perforated to provide a passage for the wick. The base-portion of the cup A is contracted in diameter, as indicated at l, to form a seat or chamber for the headportion of the wick device. The nipple A is of still smaller diameter, thus forming a seat for the head-portion of the device B The wick device B preferably comprises a small cup-shaped member 2, the bottom of which is formed with a perforate neck 2a; a body, or bundle, of fibrous wick material 3 which extends through the nipple A and into the small cup 2; and a small` perforate disk 4 which fits into the cup 2 and is secured therein by an inwardly-spun flange, or bead, 2b, with which the small cup 2 is provided. The cup 2 may be stamped or Specification of Letters Patent.l

Patented May 31,1921.

Application led August 8, 1919. Serial No. 316,173.

drawn from sheet-metal. The wick mayv comprise one or more lengths 'of loosely" twisted heavy cotton or yarn cord. If desired,: Athese lengths may be formed into loops andthe loop ends forced through the neck-portion 2tL of the cup 2 from above;

the fibers of the extremities of the cords may then be spread out to fill the'cup 2, and the disk 4 may be pressed into the cup and the edge-portion of the cup spun or pressed over the disk to hold it in position. If' desired, the loop ends ofthe cords projecting below the lower or free end of the nipple may be trimmed off. The disk 4 is provided with a series of small perforations 4a, which will allow the oil contained in the chamber A tov seepfthrough into the small; cup 2 and thoroughly vsaturate the wick,-A

which will conduct the oil to the bearing. The small cup 2 conforms yaccurately tothe housing provided therefor at the base-portion of the cup A and is forcedV into position, so that the oil cannot leak past the cup 2, but must pass through the wick.

The cap `A2 preferably is stamped from a disk of sheet-metal." VIt is provided with a flange 5 and may be secured on the cupA by forcin@r the cap underl considerable pressure onto the cup.` A tight driving fit is thus obtained, which provides an oil-tight joint. Nevertheless, the cap may be forced off, in case it be desired to replace the wick device. The cap is provided at some distance from its center with a perforation 6 through which oil may be introduced into the cup. The cap is also equipped with a segmental closure `7 which is pivotally connected with the central portion of the cap B2 by means of a rivet 8. The segment 7 is desirablyin'the form of a segment of a cap which surmounts the cap A2 and conforms thereto. It has at the apexr a pivotal ear 7a through which the rivet 8 extends. lt also has `a depending flange 7b which embraces the flange 5 of the cap A2,y

and the lower portion of this flange is 100 turned inwardly to provide a lip 7C which engages the lower edge of the flange 5. The

flange 7b is provided with an outwardlystruck circumferential embossment 7d, which contains a leaf-spring 7f which bears against 105 the flange 5 and produces such frictional engagement therewith as to prevent the possibility of accidental moving of the closure. The rivet 8 also holds the closure closely against the cap and is adapted to create ak certain amount of friction. The end-portions of the segmental flange 7b are extended somewhat beyond the body of the segment and curled outwardly and back upon the flange 7b, thus producing smooth projections, or thumb-pieces, 7e, which serve as a means for opening and closing the closure.

The cap A2 is equipped on itslupper surface with small studs, or stops, 9 and 10,

which limit the movement of the closure in the closing and opening operations, respectively. rlhese stops may be provided by punching the metal of the cap outwardly.

It' will be noted that the` construction of the segment 7 is such as to provide its flange with sharp edges 7b. W hen the segment is swung on its swivel, it scrapes the outer surface of the cap A2 Clean throughout the arc of movement. Such a close fit is secured by the construction employed as to effectively exclude all dust and grit from the oil-cup.

The improved oil-cup is shaped for use in connection with theY bearings of stationary engines, in connection with the bearings for springsof automobiles, and'in various other situations. The improved device is exceedingly simple in construction, capable of being manufactured at moderate cost, and is thoroughly effective for its purpose.

The cup may be made of convenient size to properly lubricate an ordinary bearing for a period of several weeks, without the necessity of reffilling the cup in the meantime.

rlhe foregoing detailed description has been given for clearness of understanding only and no unnecessary limitation should be understood therefrom, but the appended claims should be construed as broadly as permissible, in view of the prior art.

l/Vhat l regard as new and desire to secure by Letters Patent is:

l. A device of the character set forth, comprising an oil-cup provided at one end with a tubular nipple, and a wick device comprising a small cup pressed into the base-portion of the oil-cup and a wick having a portion confined in said small cup and a portion extending into the nipple, said small cup having a perforate wall for feeding oil gradually from the oil-cup to the wick.

2. A device of the character set forth, comprising an oil-cup having a contracted base-portion and a still further contracted portion affording a tubular nipple and affording also a seat, and a wick device comprising a hollow member forced into position against said seat and a wick having a portion confined in said hollow member and a portion extending into the nipple, said hollow member having a perforate wall affording a bottom for the oil-cup and through which the oil may seep gradually to the wick.

3. A device of the character set forth, comprising an oil-cup having a contracted base-portion and a still further contracted portion affording a tubular nipple and affording also a seat, and a wick device comprising a cup-shaped member forced into position against said seat, wick material in said cup-shaped member, and a perforate plate inv said cup-shaped member above said wick material.

ALBERT C. GRUNWALD. 

